Preparation: Download, install and run the software on your computer. Mount DVD discs or DVD folders into this program, then click "Edit" from main menu and select the editing functionality.

Trimming
Select the video clip you want to trim, and move the controller on the time bar to set Start Time and End Time for getting a segment.

Cropping
By dragging and moving zoom box you can get rid of black border and commercial mark or something else you dislike, you can also select 6:9 or 4:3 mode, Letter Box or Pan&Scan from Zoom list to define the active portion of output videos and make it exactly fit your player's screen size.
Rotation
Just click the "Rotation" icon to rotate videos by 90 degrees CW/CCW or 180 degrees.
Video Adjustments
To make your video look unique and terrific, you are allowed to add special effects and adjust video Brightness, Contrast, Saturation and Volume by clicking "Video Adjustments".

Set Video Settings Before Conversion
By clicking the image button beside each movie and select the "Option" button, you are able to adjust video and audio settings such as codec, resolution, frame rate, etc.
Now you must be satisfied with the final output effect after editing DVD movies on Mac with this amazing software. Just free download it to have a better try!
Tags: how can i edit dvd on mac, edit a dvd movie on a mac, editing dvd on mac